gray abstract vortex hypnotic worm-hole tunnel sci-fi generative art

art computer generated generative mathematical model abstract pattern design background tunnel tunel tonnel tonel funnel crater chute filler hole hypnotic 3d wormhole worm-hole worm vortex swirl whirl eddy curl vortical turbulent whirligig vorticose sci-fi fantastic fantastical fancy fanciful spiral helix scroll spire helical volute winding corkscrew rotation turning spin